Electromagnetic Interference of Power Converter with Random Modulation on the Power Line Communication System

被引：9

作者：

Beshir, Abduselam Hamid ^{[1
]}

Wan, Lu ^{[1
]}

Grassi, Flavia ^{[1
]}

Crovetti, Paolo Stefano ^{[2
]}

Liu, Xiaokang ^{[1
]}

Wu, Xinglong ^{[1
]}

El Sayed, Waseem ^{[3
]}

Spadacini, Giordano ^{[1
]}

Pignari, Sergio Amedeo ^{[1
]}

机构：

[1] Politecn Milan, Dept Elect Informat & Bioengn DEIB, I-20133 Milan, Italy

[2] Politecn Torino, Dept Elect & Telecommun DET, I-10129 Turin, Italy

[3] Univ Zielona Gora, Inst Automat Elect & Elect Engn, PL-65417 Zielona Gora, Poland

来源：

ELECTRONICS | 2021年 / 10卷 / 23期

关键词：

conducted emission (CE); electromagnetic compatibility (EMC); electromagnetic interference (EMI); power electronics; power line communication (PLC); quadrature phase shift key (QPSK); random pulse width modulation (RPWM);

D O I：

10.3390/electronics10232979

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Random Pulse Width Modulation (RPWM) allows controlling the switching signal of power converters in order to reduce the harmonic peaks by spreading the noise spectrum. Currently, many manufacturers of power converters are deploying this modulation scheme in order to comply with Electromagnetic Compatibility (EMC) test requirements. However, when the converters coexist with Power Line Communication (PLC) systems, such as in Smart Grid (SG) applications, resorting to RPWM needs further investigations since it potentially affects the communication channel by increasing the bit error rate. This possible detrimental effect is investigated in this work, by considering a PLC system for automatic meter reading (AMR) implemented in a SG application. To this end, the model of a complete PLC system is implemented in SIMULINK, and Quadrature Phase Shift Keying (QPSK) modulation is used to model the PLC modems in the communication channel. Results show that, even if the deployment of RPWM techniques may lead to an appreciable reduction/spreading of the peaks in the noise spectrum, it may also lead to an increase of the bit error rate on the PLC system.

引用

页数：13

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